E-commerce Service Site Development

I need an experienced website builder to create an e-commerce platform for selling services.

Key Features Required:
- Payment gateways integration
- Customer login and profiles
- Automated email notifications
- Appointment and slot booking for various sectors
- Subscription management

Ideal Skills and Experience:
- Proven experience in building e-commerce websites
- Strong knowledge of payment gateway integration
- Ability to create secure customer login systems
- Familiarity with automated email notification systems
- Experience in developing booking and subscription functionalities

Please share your portfolio and relevant experience.